822088820 has 48 divisors (see below), whose sum is σ = 1975951488. Its totient is φ = 281439360.

The previous prime is 822088807. The next prime is 822088849. The reversal of 822088820 is 28880228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98615 + ... + 106625.

It is an arithmetic number, because the mean of its divisors is an integer number (41165656).

Almost surely, 2^822088820 is an apocalyptic number.

It is an amenable number.

822088820 is an abundant number, since it is smaller than the sum of its proper divisors (1153862668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

822088820 is a wasteful number, since it uses less digits than its factorization.

822088820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8760 (or 8758 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 38.

The square root of 822088820 is about 28672.0913084484. The cubic root of 822088820 is about 936.7842506072.

The spelling of 822088820 in words is "eight hundred twenty-two million, eighty-eight thousand, eight hundred twenty".